The Journal of infection · 2026
Infection-related mortality in children in two European countries, 2015-2023: An interrupted time-series analysis.
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Jaboyedoff Manon, Crisinel Pierre Alex, Valtuille Zaba, Fafi Inès, Plebani Margherita, Fougère Yves, Abawi Karim, Basmaci Romain, Ouldali Naïm, Angoulvant François
Аннотация
BACKGROUND: Infections remain a leading cause of childhood mortality. Non-pharmaceutical interventions (NPI) implemented during COVID-19 pandemic altered the circulation of communicable pathogens. We aimed to assess how these changes affected paediatric infection-related mortality.
METHODS: We conducted a population-based interrupted time-series analysis using national data from France and Switzerland (2015 to 2023), including deaths among individuals <18 years. Monthly infection-related mortality was analysed using quasi-Poisson regression models seasonally adjusted. Mortality rate ratios (MRR) were calculated to compare infection-related mortality among birth cohorts exposed to NPI or post-NPI periods versus pre-NPI cohorts.
RESULTS: Among 32,619 paediatric deaths during the study period, 8272 were related to an infection. During the NPI period, infection-related mortality declined by 16% (95% CI: -23% to -7%), corresponding to an estimated reduction of 221 (95% CI: 90 to 371) deaths. Compared to pre-NPI birth cohorts, 2019 and 2020 cohorts had significantly lower infection-related MRR (0·80, 95% CI 0·66 to 0·98 and 0·80, 95% CI 0·65 to 0·98).
CONCLUSION: The reduction in paediatric infection-related deaths during the NPI period underscores the ongoing burden of preventable paediatric mortality and suggests that targeted preventive strategies may sustainably reduce infection-related deaths beyond pandemic settings.
METHODS: We conducted a population-based interrupted time-series analysis using national data from France and Switzerland (2015 to 2023), including deaths among individuals <18 years. Monthly infection-related mortality was analysed using quasi-Poisson regression models seasonally adjusted. Mortality rate ratios (MRR) were calculated to compare infection-related mortality among birth cohorts exposed to NPI or post-NPI periods versus pre-NPI cohorts.
RESULTS: Among 32,619 paediatric deaths during the study period, 8272 were related to an infection. During the NPI period, infection-related mortality declined by 16% (95% CI: -23% to -7%), corresponding to an estimated reduction of 221 (95% CI: 90 to 371) deaths. Compared to pre-NPI birth cohorts, 2019 and 2020 cohorts had significantly lower infection-related MRR (0·80, 95% CI 0·66 to 0·98 and 0·80, 95% CI 0·65 to 0·98).
CONCLUSION: The reduction in paediatric infection-related deaths during the NPI period underscores the ongoing burden of preventable paediatric mortality and suggests that targeted preventive strategies may sustainably reduce infection-related deaths beyond pandemic settings.